Pattaramanit, H., and W. Siripirom. “Instructional Leadership of School Administrators of the Samsen Kindergarten School (Government Lottery Office Foster)”. An Online Journal of Education, vol. 16, no. 2, Dec. 2021, p. OJED1602050 (15 pages), https://so01.tci-thaijo.org/index.php/OJED/article/view/253312.